Divisibility Rules
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| OLD | show 🗑
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| show | II. OPTIC
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| OCCASIONALLY | show 🗑
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| show | IV. TROCLEAR
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| TRIGNOMETRY | show 🗑
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| AND | show 🗑
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| FEELS | show 🗑
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| show | VIII. VESTIBULOCOCHLEAR
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| show | IX. GLOSSOPHARYNGEAL
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| VAGUE | show 🗑
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| show | XI. ACCESSORY
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| HYPOACTIVE | show 🗑
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| show | Yes ends in a zero
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| show | Yes last 2 digits divisible by 4
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| show | NO, does not end in a zero
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| show | Yes 9+1+8 = 18 and 18 is divisible by 9
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| show | Yes 5+ 4 = 9 and 9 is divisible by 3
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| show | Yes 8 goes into the last 3 digits 106 times
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| Is 108 Divisible by 3 and 9 | show 🗑
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| show | Yes. 2,356 ends with a 6.
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| Is 90 divisible by 10? | show 🗑
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| Is 560 divisible by 5? | show 🗑
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| Is 745 divisible by 2? | show 🗑
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| Is 634 divisible by 5? | show 🗑
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| 435 is divisible by 2 numbers. What are they? | show 🗑
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| Is 402 divisible by 10? | show 🗑
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| show | No. The sum of all the digits, 1 + 0 + 0 + 0 = 1. One is not divisible by 3.
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| Is 634 divisible by 6? | show 🗑
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| Is 612 divisible by 9? | show 🗑
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| show | Yes. 1 + 4 + 4 = 9. 9 is divisible by 3.
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| show | Take the last digit of the number; double it; then subtract it from the rest of the number. If the result is divisible by this number, then so is the original number.
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| show | Yes. 7*2=14; 21-14 = 7. Since 7 is divisible by 7, then so is 217.
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| show | 6*2 = 12; 89 - 12 = 77; Since 77 is divisible by 7, then so is 896.
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Created by:
htea
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